Registered patent attorney

Charles S Berkman

USPTO Reg. 38077

Firm

Ligand Pharmaceuticals Incorporated

Address

11119 North Torrey Pines Road

Suite 200

La Jolla, CA, 92037

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Charles S Berkman

  • Is Charles S Berkman a registered patent attorney?

    Yes. Charles S Berkman is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 38077). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Charles S Berkman located?

    Charles S Berkman's office is in La Jolla, California (92037). Affiliated with Ligand Pharmaceuticals Incorporated.

  • What firm does Charles S Berkman work at?

    Charles S Berkman is listed as affiliated with Ligand Pharmaceuticals Incorporated on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Charles S Berkman?

    Charles S Berkman's office phone (per the USPTO public roster) is 858-550-7835. Verify availability and intake details directly with the firm before sending privileged materials.

  • Should I prepare anything before contacting a patent attorney?

    Yes — most patent attorneys quote based on a brief. Persoona's intellectual property module generates a prior-art analysis, defensibility scorecard, and a draft USPTO filing package so you arrive with a brief, not a blank slate. Free to run.

Profile sourced from the USPTO OEDCI Practitioner Roster. Persoona did not provide, edit, or curate this data — every field is pulled directly from the public roster.

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